Congrats on the new eggs!
Monocus usually has Rotifers and phytoplankton available. I got mine from him before. He's in burnaby.
As mike said, that is the best book in the world. That's how I learned. And I borrowed from the library too!
And as Anthony said, yes they are super aggressive even when they are little. I used to raise maroons but stopped because they just kept killing each other even as early as 2-3 weeks old. Beautiful fish though.